# This code is part of Qiskit.
#
# (C) Copyright IBM 2019.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

"""
Fake Burlington device (5 qubit).
"""

import os
from qiskit.test.mock import fake_qasm_backend


class FakeBurlington(fake_qasm_backend.FakeQasmBackend):
    """A fake 5 qubit backend.

    0 ↔ 1 ↔ 3 ↔ 4
        ↕
        2
    """

    dirname = os.path.dirname(__file__)
    conf_filename = "conf_burlington.json"
    props_filename = "props_burlington.json"
    backend_name = "fake_burlington"


class FakeLegacyBurlington(fake_qasm_backend.FakeQasmLegacyBackend):
    """A fake 5 qubit backend.

    0 ↔ 1 ↔ 3 ↔ 4
        ↕
        2
    """

    dirname = os.path.dirname(__file__)
    conf_filename = "conf_burlington.json"
    props_filename = "props_burlington.json"
    backend_name = "fake_burlington"
